1, the wireless receiver open the back cover to see;2, cover 2 side have two clips, please open the back end, you can easily remove the back cover (installation is installed at one end); do not use brute force to break apart and / Closing the back, resulting buckle fracture, is not within the scope of the warranty;3, standard without battery, please bring your own 3 AAA batteries (7);4, honest look at the negative battery before installation, such as a battery installed backwards, it may lead to flying squirrels element burned, this case is not within the scope of the warranty;5, support for play / pause, previous track, next track, volume control, mute function (QQ music player tested on Windows XP and Android 4.0 system);6, the main function of flying squirrel is a wireless keyboard and mouse, is aimed primarily at Andrews player entertainment, compatible computer keyboard and mouse functions, flying squirrels without a middle mouse button / wheel function, CTRL on the keyboard + (?), And other shortcuts for the factory reserved function , currently not yet developed. For greater customization, please know;7, somatosensory flying squirrel flying squirrel refers to itself somatosensory control gravity, flying squirrels can not express support somatosensory game. The flying squirrel is through somatosensory gravity control keyboard and mouse, not the somatosensory game operating handle, does not support a similar class somatosensory WII tennis game.